diff --git a/tools/passthrough/passthrough.py b/tools/passthrough/passthrough.py
index f27d9b30c0..cfef279661 100755
--- a/tools/passthrough/passthrough.py
+++ b/tools/passthrough/passthrough.py
@@ -241,7 +241,8 @@ def start(self):
             login = splitted[0]
             host = splitted[1]
             device = host
-            password = ''
+            if login == 'internal':
+                password = ''
 
         interactive_data = {
             'target_password': password,